Bump asttokens from 2.4.0 to 2.4.1 (#271)

Bumps [asttokens](https://github.com/gristlabs/asttokens) from 2.4.0 to 2.4.1.
- [Commits](gristlabs/asttokens@v2.4.0...v2.4.1)

---
updated-dependencies:
- dependency-name: asttokens
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>